If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is selfsustained and is known as
A. Fission reaction
B. Fusion reaction
C. Chain reaction
D. Chemical reaction
Physics
Radioactive materials can be identified by measuring their
A. Hardness
B. Density
C. Mass
D. Half life
Radioactive materials can be identified by measuring their Read More »
In a liquid metal fast breeder reactor, the type of uranium used is
A. 92U235
B. 92U238
C. 92U234
D. 92U239
In a liquid metal fast breeder reactor, the type of uranium used is Read More »
During the fission process a large amount of
A. Heat energy is released
B. Nuclear energy is released
C. Chemical energy is released
D. Light energy is released
During the fission process a large amount of Read More »
The unit of radioactivity curie is equal to
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec
The unit of radioactivity curie is equal to Read More »
The unit of radioactivity curie is equal to
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec
The unit of radioactivity curie is equal to Read More »
An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?
A. 224 – 84
B. 220 – 80
C. 222 – 86
D. 226 – 87
Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is
A. Smaller
B. Greater than 82
C. Same
D. Sometimes smaller some times greater
A mass spectrograph (spectrometer) sorts out
A. Molecules
B. Ions
C. Elements
D. Isotopes
A mass spectrograph (spectrometer) sorts out Read More »
Nuclei having the same mass number but different atomic number are
A. Isotopes
B. Isobars
C. Isotones
D. Isomers
Nuclei having the same mass number but different atomic number are Read More »